CN105013587A - Freeze grinding system - Google Patents
Freeze grinding system Download PDFInfo
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- CN105013587A CN105013587A CN201510482460.7A CN201510482460A CN105013587A CN 105013587 A CN105013587 A CN 105013587A CN 201510482460 A CN201510482460 A CN 201510482460A CN 105013587 A CN105013587 A CN 105013587A
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- outlet
- liquid nitrogen
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- disintegrating mill
- airslide disintegrating
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Abstract
The invention provides a freeze grinding system which is of a closed loop circulation structure. Liquid nitrogen is used for cooling the system through a precooling bin of a liquid nitrogen vaporizer so that the use cost of the whole system can be low; it can be ensured that the temperature in the system ranges from minus 160 DEG C to minus 180 DEG C and the temperature of a grinding cavity of an air flow grinding machine is minus 120 DEG C or lower; and materials are thoroughly embrittled, and thus grinding of the materials is ensured. The freeze grinding system comprises an air compressor and the air flow grinding machine. A material bin is arranged at a feeding port of the air flow smashing machine, and compressed air of the air compressor is communicated to an air inlet of the air flow smashing machine. The freeze grinding system further comprises a liquid nitrogen storage structure; an outlet of the liquid nitrogen storage structure is connected to an inlet of the liquid nitrogen vaporizer; an outlet of the liquid nitrogen vaporizer is connected to an inlet of a first storage tank; an outlet of the first storage tank is connected to an inlet of an air path distributor; an outlet of the air path distributor is communicated to the material bin; an outlet of the air flow grinding machine is connected to a cyclone separating device; a material outlet of the cyclone separating device is communicated to a discharging barrel; and an air outlet of the cyclone separating device is connected with a dust removing device.
Description
Technical field
The present invention relates to the technical field of crushing material, be specially a kind of deep cooling crush system.
Background technology
The crushing mechanism that airslide disintegrating mill is mainly applicable to determines that it is applied widely, finish fineness high, existing deep cooling crush system its to be lowered the temperature supercharging by turbine, the cost that turbocharging is also lowered the temperature is higher, and low temperature can not reach less than-160 DEG C, for strong fiber, viscosity, the materials such as toughness macromolecule are in crushing process, its use cost is high, and the gas flow of existing deep cooling crush system is Open architecture, make in actual use, cryogenic gas needs constantly to produce, make the bad control of minimum chilling temperature, and then make the cost of whole use high.
Summary of the invention
For the problems referred to above, the invention provides a kind of deep cooling crush system, it is closed cycle structure, and utilize liquid nitrogen system to be lowered the temperature by liquid nitrogen vaporizer, make the use cost of whole system low, and can guarantee that intrasystem temperature is at-160 DEG C ~-180 DEG C, guarantee that the temperature of the crushing chamber of airslide disintegrating mill is below-120 DEG C, guarantees the pulverizing to material.
A kind of deep cooling crush system, its technical scheme is such: it comprises air compressor machine, airslide disintegrating mill, the feeding mouth of described airslide disintegrating mill is furnished with feed bin, the compressed air communication of described air compressor machine is to the air inlet of airslide disintegrating mill, it is characterized in that: it also comprises liquid nitrogen storage configuration, the outlet of described liquid nitrogen storage configuration is connected to the entrance of liquid nitrogen vaporizer, the outlet of described liquid nitrogen vaporizer is connected to the import of the first storage tank, the outlet of described first storage tank is connected to the entrance of gas path distributor, the outlet of described gas path distributor is to described feed bin, the outlet of described airslide disintegrating mill is connected to cyclone separator, the material outlet of described cyclone separator is communicated to the first discharge tank, the gas vent of described cyclone separator is connected with dust arrester, the gas vent of dust arrester is connected to the import of the second storage tank respectively by pipeline, first import of cool-heat-exchanger, the outlet of described second storage tank is connected to the entrance of air compressor machine, the compressed air of described air compressor machine is connected to the second import of cool-heat-exchanger, described cool-heat-exchanger comprises at least two imports, comprise the first import and the second import, the outlet of described cool-heat-exchanger is to the air inlet of described airslide disintegrating mill, the gas entered in airslide disintegrating mill by cool-heat-exchanger reaches enough pulverizing pressure and enough low temperature.
It is further characterized in that:
Be communicated to the second import after cool-heat-exchanger after the compressed air of described air compressor machine connects efficient degreasing machine, freeze drier, accurate filter successively, guarantee degree of purity and the low temperature of the gas entering airslide disintegrating mill;
Described dust arrester comprises deduster, urgent filter, the gas vent of described cyclone separator is connected to the entrance of deduster, the gas vent of described deduster connects the entrance of described urgent filter, the bottoms material outlet of described deduster is connected with the second discharge tank, and the outlet of described urgent filter is connected to the import of the second storage tank, the first import of cool-heat-exchanger respectively by pipeline;
The discharging opening of described airslide disintegrating mill is communicated to the entrance of described cyclone separator, and the bottoms material outlet of described cyclone separator is to described first discharge tank, and the upper gas outlet of described cyclone separator is connected to the entrance of described deduster;
Described liquid nitrogen storage configuration is specially liquid nitrogen and goes out gas tank, liquid nitrogen in described liquid nitrogen air accumulator is converted into low temperature nitrogen by liquid nitrogen vaporizer, then low temperature nitrogen is allowed to enter the pre-cold material of feed bin, low temperature nitrogen and material together enter the crushing chamber of airslide disintegrating mill, low temperature nitrogen and cool-heat-exchanger gas and vapor permeation out, guarantees the low temperature of the crushing chamber of airslide disintegrating mill;
Described feed bin is positioned at the top of airslide disintegrating mill, and described feed bin is supported on the upper strata being positioned at rack platform, and described cyclone separator, deduster Vertical dimension are arranged in parallel, and described urgent filter bits is in the upper strata of described rack platform;
Described rack platform is provided with staircase structure, guarantees that operated by personnel is convenient.
After adopting structure of the present invention, liquid nitrogen in liquid nitrogen air accumulator is converted into low temperature nitrogen by liquid nitrogen vaporizer, then low temperature nitrogen is allowed to enter the pre-cold material of feed bin, low temperature nitrogen and material together enter the crushing chamber of airslide disintegrating mill, low temperature nitrogen and cool-heat-exchanger gas out mixes again, guarantees the low temperature of the crushing chamber of airslide disintegrating mill, pulverized the material be separated afterwards and entered cyclone separator together with mist, material, mist is separated, material enters the first discharge tank from material outlet, mist enters dust arrester from gas vent, mist guarantees do not have dust after dedusting, air compressor machine or cool-heat-exchanger is entered afterwards according to default is selective, finally guarantee the pressure and temperature of the pulverizing cavity of airslide disintegrating mill, it is closed cycle structure, liquid nitrogen is utilized system to be lowered the temperature by liquid nitrogen vaporizer, make the use cost of whole system low, and can guarantee that intrasystem temperature is at-160 DEG C ~-180 DEG C, guarantee that the temperature of the crushing chamber of airslide disintegrating mill is below-120 DEG C, guarantee the pulverizing to material.
Accompanying drawing explanation
Fig. 1 is front view structural representation of the present invention;
Fig. 2 is top view structural representation of the present invention;
Reference name in figure corresponding to each sequence number is as follows:
Air compressor machine 1, airslide disintegrating mill 2, feed bin 3, liquid nitrogen go out gas tank 4, liquid nitrogen vaporizer 5, first storage tank 6, gas path distributor 7, cyclone separator 8, second discharge tank 9, second storage tank 10, cool-heat-exchanger 11, efficient degreasing machine 12, freeze drier 13, accurate filter 14, deduster 15, urgent filter 16, first discharge tank 17, rack platform 18, staircase structure 19.
Detailed description of the invention
A kind of deep cooling crush system, see Fig. 1, Fig. 2: it comprises air compressor machine 1, airslide disintegrating mill 2, the feeding mouth of airslide disintegrating mill 2 is furnished with feed bin 3, the compressed air communication of air compressor machine 1 is to the air inlet of airslide disintegrating mill 2, it also comprises liquid nitrogen storage configuration, liquid nitrogen storage configuration is specially liquid nitrogen and goes out gas tank 4, the outlet that liquid nitrogen goes out gas tank 4 is connected to the entrance of liquid nitrogen vaporizer 5, the outlet of liquid nitrogen vaporizer 5 is connected to the import of the first storage tank 6, the outlet of the first storage tank 6 is connected to the entrance of gas path distributor 7, the outlet of gas path distributor 7 is to feed bin 3, the low temperature nitrogen discharge rate of gas path distributor 7 is how many according to material, system set point temperature regulates, guarantee to meet the requirements, the outlet of airslide disintegrating mill 2 is connected to cyclone separator 8, the material outlet of cyclone separator 8 is communicated to the first discharge tank 17, the gas vent of cyclone separator 8 is connected with dust arrester, the gas vent of dust arrester is connected to the import of the second storage tank 10 respectively by pipeline, first import of cool-heat-exchanger 11, the outlet of the second storage tank 10 is connected to the entrance of air compressor machine 1, the compressed air of air compressor machine 1 is connected to the second import of cool-heat-exchanger 11, cool-heat-exchanger 11 comprises at least two imports, comprise the first import and the second import, the outlet of cool-heat-exchanger 11 is to the crushing chamber air inlet of airslide disintegrating mill 2, the gas entered in airslide disintegrating mill by cool-heat-exchanger 11 reaches enough pulverizing pressure and enough low temperature.
Be communicated to the second import after cool-heat-exchanger 11 after the compressed air of air compressor machine 1 connects efficient degreasing machine 12, freeze drier 13, accurate filter 14 successively, guarantee degree of purity and the low temperature of the gas entering airslide disintegrating mill 2 crushing chamber;
Dust arrester comprises deduster 15, urgent filter 16, the gas vent of cyclone separator 8 is connected to the entrance of deduster 15, the gas vent of deduster 15 connects the entrance of urgent filter 16, the bottoms material outlet of described deduster 15 is connected with the second discharge tank 9, and the outlet of urgent filter 16 is connected to the import of the second storage tank 10, the first import of cool-heat-exchanger 11 respectively by pipeline;
The discharging opening of described airslide disintegrating mill 2 is communicated to the entrance of described cyclone separator 8, the bottoms material outlet of described cyclone separator 8 is to described first discharge tank 17, and the upper gas outlet of described cyclone separator 8 is connected to the entrance of described deduster 15;
Feed bin 3 is positioned at the top of airslide disintegrating mill 2, feed bin 3 is supported on the upper strata being positioned at rack platform 18, the top of cyclone separator 8 is gas vent, bottom is material outlet, and cyclone separator 8, deduster 15 Vertical dimension are arranged in parallel, and urgent filter 16 is positioned at the upper strata of rack platform 18; Rack platform 18 is provided with staircase structure 19, guarantees that operated by personnel is convenient.
Its operation principle is as follows: the liquid nitrogen in liquid nitrogen air accumulator 4 is converted into low temperature nitrogen by liquid nitrogen vaporizer 5, then low temperature nitrogen is allowed to enter gas path distributor 7, gas path distributor 7 discharges low temperature nitrogen to the pre-cold material of feed bin 3, the low temperature nitrogen discharge rate of gas path distributor 7 is how many according to material, system set point temperature regulates, and guarantees to meet the requirements, low temperature nitrogen and material together enter the crushing chamber of airslide disintegrating mill 2, and low temperature nitrogen and cool-heat-exchanger 11 gas out mix in the crushing chamber of airslide disintegrating mill 2, guarantee the low temperature of the crushing chamber of airslide disintegrating mill 2, pulverized the material be separated afterwards and entered cyclone separator 8 together with mist, material, mist is separated, material enters the first discharge tank 17 from material outlet, mist enters the entrance of deduster 15 from gas vent, urgent filter 16 is entered into by the mist after deduster 15 dedusting, fall in the second discharge tank 9 by the small part material of deduster 15, urgent filter 16 is guaranteed to be mixed into mist without material dust, mist all enters the second storage tank 10 under normal circumstances, finally pass into air compressor machine 1, when systems axiol-ogy to the crushing chamber pressure of airslide disintegrating mill 2 or temperature not up to standard time, small part mist directly passes into cool-heat-exchanger 11, the mist entering in air compressor machine 1 enters cool-heat-exchanger 11 successively after efficient degreasing machine 12, freeze drier 13, accurate filter 14, the pressure and temperature of the pulverizing cavity of airslide disintegrating mill 2 is guaranteed by the gas of cool-heat-exchanger 11, it is closed cycle structure, liquid nitrogen is utilized system to be lowered the temperature by liquid nitrogen vaporizer 5, make the use cost of whole system low, and can guarantee that intrasystem temperature is at-160 DEG C ~-180 DEG C, guarantee that the temperature of the crushing chamber of airslide disintegrating mill is below-120 DEG C, guarantees the pulverizing to material.
Above specific embodiments of the invention have been described in detail, but content being only the preferred embodiment of the invention, the practical range for limiting the invention can not being considered to.All equalizations done according to the invention application range change and improve, and all should still belong within patent covering scope of the present invention.
Claims (7)
1. a deep cooling crush system, it comprises air compressor machine, airslide disintegrating mill, the feeding mouth of described airslide disintegrating mill is furnished with feed bin, the compressed air communication of described air compressor machine is to the air inlet of airslide disintegrating mill, it is characterized in that: it also comprises liquid nitrogen storage configuration, the outlet of described liquid nitrogen storage configuration is connected to the entrance of liquid nitrogen vaporizer, the outlet of described liquid nitrogen vaporizer is connected to the import of the first storage tank, the outlet of described first storage tank is connected to the entrance of gas path distributor, the outlet of described gas path distributor is to described feed bin, the outlet of described airslide disintegrating mill is connected to cyclone separator, the material outlet of described cyclone separator is communicated to the first discharge tank, the gas vent of described cyclone separator is connected with dust arrester, the gas vent of dust arrester is connected to the import of the second storage tank respectively by pipeline, first import of cool-heat-exchanger, the outlet of described second storage tank is connected to the entrance of air compressor machine, the compressed air of described air compressor machine is connected to the second import of cool-heat-exchanger, described cool-heat-exchanger comprises at least two imports, comprise the first import and the second import, the outlet of described cool-heat-exchanger is to the air inlet of described airslide disintegrating mill, the gas entered in airslide disintegrating mill by cool-heat-exchanger reaches enough pulverizing pressure and enough low temperature.
2. a kind of deep cooling crush system as claimed in claim 1, is characterized in that: be communicated to the second import after cool-heat-exchanger after the compressed air of described air compressor machine connects efficient degreasing machine, freeze drier, accurate filter successively.
3. a kind of deep cooling crush system as claimed in claim 1 or 2, it is characterized in that: described dust arrester comprises deduster, urgent filter, the gas vent of described cyclone separator is connected to the entrance of deduster, the gas vent of described deduster connects the entrance of described urgent filter, the bottoms material outlet of described deduster is connected with the second discharge tank, and the outlet of described urgent filter is connected to the import of the second storage tank, the first import of cool-heat-exchanger respectively by pipeline.
4. a kind of deep cooling crush system as claimed in claim 1, it is characterized in that: the discharging opening of described airslide disintegrating mill is communicated to the entrance of described cyclone separator, the bottoms material outlet of described cyclone separator is to described first discharge tank, and the upper gas outlet of described cyclone separator is connected to the entrance of described deduster.
5. a kind of deep cooling crush system as claimed in claim 1, is characterized in that: described liquid nitrogen storage configuration is specially liquid nitrogen and goes out gas tank.
6. a kind of deep cooling crush system as claimed in claim 4, it is characterized in that: described feed bin is positioned at the top of airslide disintegrating mill, described feed bin is supported on the upper strata being positioned at rack platform, described cyclone separator, deduster Vertical dimension are arranged in parallel, and described urgent filter bits is in the upper strata of described rack platform.
7. a kind of deep cooling crush system as claimed in claim 6, is characterized in that: described rack platform is provided with staircase structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482460.7A CN105013587A (en) | 2015-08-03 | 2015-08-03 | Freeze grinding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510482460.7A CN105013587A (en) | 2015-08-03 | 2015-08-03 | Freeze grinding system |
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| CN105013587A true CN105013587A (en) | 2015-11-04 |
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| CN201510482460.7A Pending CN105013587A (en) | 2015-08-03 | 2015-08-03 | Freeze grinding system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536960A (en) * | 2015-11-27 | 2016-05-04 | 金堆城钼业股份有限公司 | Preparation system and preparation method of low-oxygen ultrafine molybdenum disulfide |
| CN105944816A (en) * | 2016-06-21 | 2016-09-21 | 江苏密友粉体新装备制造有限公司 | Safe explosion-proof airflow pulverization system |
| CN106288865A (en) * | 2016-08-31 | 2017-01-04 | 江苏密友粉体新装备制造有限公司 | A kind of pulverize source of the gas the cooling technique of deep cooling crush |
| CN106269138A (en) * | 2016-08-31 | 2017-01-04 | 江苏密友粉体新装备制造有限公司 | A kind of superfine grinding method of macromolecular material |
| CN106964458A (en) * | 2017-03-31 | 2017-07-21 | 浙江工业大学 | A kind of powder is crushed and conveying explosive-proof protector system |
| CN107497569A (en) * | 2017-08-29 | 2017-12-22 | 天津科碧微粉技术有限公司 | A kind of ultra-fine level polyethylene wax powder production baling line |
| CN108816454A (en) * | 2018-06-14 | 2018-11-16 | 南通大学 | A kind of efficiently quick crushing system |
| CN111215213A (en) * | 2020-02-18 | 2020-06-02 | 广西壮族自治区农业科学院 | Crushing system |
| CN111604148A (en) * | 2020-06-02 | 2020-09-01 | 台州普渡机械设备有限公司 | Nitrogen circulating airflow material crushing system and working process thereof |
| CN112206905A (en) * | 2020-09-07 | 2021-01-12 | 杭州电子科技大学 | Method and device for ultramicro treatment of bioactive substances |
| CN112619868A (en) * | 2020-11-13 | 2021-04-09 | 四川实创微纳科技有限公司 | Bamboo powder production device and method with inert gas protection |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536960B (en) * | 2015-11-27 | 2018-09-07 | 金堆城钼业股份有限公司 | A kind of preparation system and preparation method thereof of the ultra-fine molybdenum disulfide of hypoxemia |
| CN105536960A (en) * | 2015-11-27 | 2016-05-04 | 金堆城钼业股份有限公司 | Preparation system and preparation method of low-oxygen ultrafine molybdenum disulfide |
| CN105944816B (en) * | 2016-06-21 | 2018-04-20 | 江苏密友粉体新装备制造有限公司 | A kind of safe anti-explosion airflow comminution system |
| CN105944816A (en) * | 2016-06-21 | 2016-09-21 | 江苏密友粉体新装备制造有限公司 | Safe explosion-proof airflow pulverization system |
| CN106269138A (en) * | 2016-08-31 | 2017-01-04 | 江苏密友粉体新装备制造有限公司 | A kind of superfine grinding method of macromolecular material |
| CN106288865B (en) * | 2016-08-31 | 2018-05-22 | 江苏密友粉体新装备制造有限公司 | A kind of cooling technique of the crushing source of the gas of deep cooling crush |
| CN106288865A (en) * | 2016-08-31 | 2017-01-04 | 江苏密友粉体新装备制造有限公司 | A kind of pulverize source of the gas the cooling technique of deep cooling crush |
| CN106964458A (en) * | 2017-03-31 | 2017-07-21 | 浙江工业大学 | A kind of powder is crushed and conveying explosive-proof protector system |
| CN107497569A (en) * | 2017-08-29 | 2017-12-22 | 天津科碧微粉技术有限公司 | A kind of ultra-fine level polyethylene wax powder production baling line |
| CN108816454A (en) * | 2018-06-14 | 2018-11-16 | 南通大学 | A kind of efficiently quick crushing system |
| CN111215213A (en) * | 2020-02-18 | 2020-06-02 | 广西壮族自治区农业科学院 | Crushing system |
| CN111604148A (en) * | 2020-06-02 | 2020-09-01 | 台州普渡机械设备有限公司 | Nitrogen circulating airflow material crushing system and working process thereof |
| CN111604148B (en) * | 2020-06-02 | 2022-03-15 | 台州普渡机械设备有限公司 | Nitrogen circulating airflow material crushing system and working process thereof |
| CN112206905A (en) * | 2020-09-07 | 2021-01-12 | 杭州电子科技大学 | Method and device for ultramicro treatment of bioactive substances |
| CN112619868A (en) * | 2020-11-13 | 2021-04-09 | 四川实创微纳科技有限公司 | Bamboo powder production device and method with inert gas protection |
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Application publication date: 20151104 |